Lantern



FIG. 1 is a perspective view of the lantern showing my design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view, thereof;

FIG. 4 is a top plan view, thereof; and,

FIG. 5 is a bottom plan view.

The left side of lantern is a mirror image of right side elevation. The broken-line showing of environmental structures in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a lantern, as shown and described. 